RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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Surface Complex Formation Data:

Mineral: Goethite
Reference: KNT18
SCM Type: TL - Triple Layer
Ligand: SO4<2-> - sulfate
Site Type: »Fe-OH
Equation: 2 »Fe-OH + SO4<2-> + 2 H<1+>  ⇔  (»Fe-OH2<1+>)2_SO4<2->
LogK: 21.7        LogK°I=0 (Conversion to I = 0):   21.97         LogK2.31 nm−2 (SSD-normalized):   23.57
Experiment: Batch Sorption Experiments
Ionic Strength: 0.01 mol/L NaNO3
Temperature: 298.15 K
Solid/Liquid Ratio: 1.0 g/L
pH Range: 3.5 - 10
Ligand Concentration Range: 8E-4; 4E-4 mol/L
Fit Method: GEOSURF
Comment: extended TLM; values refer to the hypothetical 1 M standard state; bidentate-binuclear outer-sphere surface complex; experimental data obtained from [ZP07]
 
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